multitouch

Differentiating Between UITouch Objects On The iPhone

Hey guys, I'm trying to differentiate between two (or more) UITouch objects on the iPhone. Specifically, I'd like to know the order in which the touches occurred. For instance, in my -touchesBegan:withEvent: method I get an NSSet of UITouch objects. Now I can find out how many touches there are, but, which object represents which finge...

Is there a way to utilize the Mac Laptops' touchpad pinch gestures on Flex?

I have written a Google Maps-based application in Flex. Currently you can use the mouse wheel to zoom in and out the map. Is it possible on Mac laptops to use the pinch gesture to zoom? ...

How to disable multitouch?

My app has several buttons which trigger different events. The user should NOT be able to hold down several buttons. Anyhow, holding down several buttons crashes the app. And so, I'm trying to disable multi-touch in my app. I've unchecked 'Multiple Touch' in all the xib files, and as far as I can work out, the properties 'multipleTouch...

When does a touchesBegan become a touchesMoved?

When you drag a finger across the iPhone touchscreen, it generates touchesMoved events at a nice, regular 60Hz. However, the transition from the initial touchesBegan event to the first touchesMoved is less obvious: sometimes the device waits a while. What's it waiting for? Larger time/distance deltas? More touches to lump into the eve...

How to force iPhone/iPod touch to handle more than 5 touches at the same time?

I would like to develop a multi-touch (up to 8 fingers) application for iPhone/iPod Touch. But during testing on my 1st gen iPod Touch once I put the 6th finger weird things started to happen. I don't get Touch Began for the 6th finger nor Touch Ended/Cancelled for the first 5 fingers. Do you know of any workaround for this? Does it beh...

Multitouch question

Hi, I want to detect, what part of screen is touched, when user shakes iPhone. I do it in the following way: -(void) accelerometer: (UIAccelerometer*)accelerometer didAccelerate: (UIAcceleration*)acceleration { float shakeStrength = sqrt( acceleration.x * acceleration.x + acceleration.y * acceleration.y + acceleration.z * accelera...

Is there a way to fake a Touch into the system?

I discovered this: When a UIView's touchesBegan: method is fired and there is only one finger on the screen, the system will wait up to 0.25 seconds to see if the finger move far enough, before it will fire touchesMoved:. There is no programmatically way to get around this problem. But now the interesting part: If one finger is already ...

How does multitouch capability look to the API? (IPhone/OS X)

I don't have an IPhone and don't really want to pay $130 a month for a cell phone. (I leave mine in the car most of the time, sometimes the entire weekend.) But I covet the technology as a mobile computing platform. (Cruel Fate.) One of the things I like about it the most is the multitouch capability. How does it look from an API st...

JQTouch support for IPhone.

Hello Team, I am building a website which provides support on Iphone also. I am using JQTouch jquery library(www.jqtouch.com) which provides multi-touch functionality like swipe, flip, back page. It would be great to hear from you guys on how to extend zoom-in and zoom-out functionality for photos. Does JQTouch provide any readymade func...

How to fake "Multitouch" for Windows Mobile?

Hi, Here's the idea: I have two panels that have MouseDown events. The idea I had was to have a timer that would enable and disable the panels alternatively every tenth of a second. I was hoping that the MouseDown event would be caught by one panel and then I could read the e.X and e.Y of the event, and then the MouseDown event would ...

Multi touch is not working perfectly on UIImageView

Hi, I am doing multi touch on UImageView means zoom in and zoom out on image view. I am using followng code but it doesn't work very well. Can anyone look at this code, #import "ZoomingImageView.h" @implementation ZoomingImageView @synthesize zoomed; @synthesize moved; define HORIZ_SWIPE_DRAG_MIN 24 define VERT_SWIPE_DRAG_MAX ...

Extending Functionality of Magic Mouse: Do I Need a kext?

I recently purchased a Magic Mouse. It is fantastic and full of potential. Unfortunately, it is seriously hindered by the software support. I want to fix that. I have done quite a lot of research and these are my findings regarding the event chain thus far: The Magic Mouse sends full multitouch events to the system. Multitouch events a...

exact String check (WPF Multitouch)

hi, I'm trying to get you into the picture firstly, I'm trying to implement a gesture in WPF4 VS2010, it is like you move your finger until it crosses a TouchPoint that you already passed by with the SAME finger , so my thought is to make a list and check for every new TouchPoint if it exists , if yes then you have done your gesture , if...

Which way to go with graphic-intense multi-touch app, XNA or WPF ?

I am about to start development of a multi-touch application. I need to decide between WPF and XNA. Which would run faster ? WPF already has libraries to support multi-touch via TUIO input. Does anyone know a similar library or even just sample code to drag/rotate/move objects in XNA ? Thanks! SW. ...

Multitouch on an Android app

Is multitouch available to Android app developers? I've heard its on the new 2.0 version but only seen it accomplished on the internet browser. ...

How to detect a two finger flick

I want to switch between a couple views with a flick gesture using two fingers. If anyone can tell me what I need to do please help. ...

How do I access only one of my touches in my touches began event

I have: UITouch *touch = [touches anyObject]; if ([touches count] == 2) { //preforming actions } What I want to do Is ask it inside of the ifstatement where the two touches are seperatly. ...

Custom touch tracking in iphone

I don't want to use any of the normal touch events in the iphone sdk. When an user touches the screen I want to find where he touched and all of pixels he touches. Is there a way to do it in iphone ? may be using a low level SDK. i want this to do it for some thing like a drawing app with finger on iphone. ...

How do I scroll a UIScrollView using two fingers

I have implemented a UIScrollView that I want to scroll with two fingers and not one. I could easily deal with setting the content offset but how would I get a two finger swipe gesture acknowledged then? ...

Programatically enable / disable multitouch finger input?

I have a multitoch-enabled tablet PC running Windows 7. However, when using the stylus pen and getting too far away from the display, I often accidently hit it with my fingers which causes unwanted mouse-clicks. The solution is navigating to "Control Panel - Pen- and Finger Input - Finger Input" and deactivate the checkbox "Use the fin...